<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div id="app">
    <div v-for="addr in addrs">
        {{addr}}<br>
    </div>
    <hr>
    <div v-for="(addr,i) in addrs">
        {{i+1}}--{{addr}}<br>
    </div>
</div>

<script src="js/vue.js"></script>
<script>

  //1.创建vue的核心对象
  new Vue({
    el:"#app",
    data(){
      return {
        username:"",
        url:"https://www.baidu.com",
        count:3,
        addrs:["北京","上海","西安"]
      }
    },
    methods:{
        show(){
            alert("我被点了")
        }
    },
    /*mounted:function () {

    } */
    mounted(){
        alert("加载完成……")
    }
  });


</script>

</body>
</html>